How to set up SSH so you don’t have to type in your password

Have you ever had a friend or coworker ask you how to set up SSH so they don’t need to enter their password each time they log in? If so, you are not alone. People who are new to utilizing SSH and are sick of having to input their password repeatedly frequently ask me this question. SSH is a powerful tool for remotely accessing and managing servers, making it a crucial topic to grasp. However, it can be intimidating for individuals who are not familiar with it.

The purpose of this blog post is to assist folks who want to set up passwordless SSH access using PuTTY and Pagent. This article will walk you through the steps necessary to set up passwordless SSH access and set up a PuTTY connection profile to use your private key, whether you’re a system administrator, developer, or just someone who uses SSH frequently. By the time you’ve finished reading this article, you’ll know more about how to set up passwordless SSH access using PuTTY and Pagent and be able to utilize it with confidence to streamline your workflow.

How To Set Up Pagent:

Use PuTTY and Pagent to configure passwordless SSH access by doing the following steps:

  1. On your local PC, download and install PuTTY and Pagent.
  2. Launch Pagent and provide your password for access when requested. After that, Pagent will produce a private/public key pair for you.
  3. Open the “Key List” window in Pagent on your local machine, then click the “Export” button to save your public key to a file.
  4. Make sure the public key file’s contents are copied to your clipboard.
  5. Using PuTTY, establish a connection to the remote machine and sign in using your username and password.
  6. Create a “.ssh/authorized keys” file in your home directory after logging in, if one doesn’t already exist.
  7. Paste your public key into the “.ssh/authorized keys” file after opening it in a text editor.
  8. Save the file and exit your text editor.
  9. Use PuTTY to disconnect from the remote computer and then reconnect. Now you shouldn’t be required to enter your password to log in.

How To Set Up PuTTY:

Since you now have a private key on your local machine and have set up your remote machine to accept it as a login credential using the public key, you must update PuTTY so that it uses your private key for these connections.

The procedures below can be used to configure a PuTTY connection profile to utilize your private key:

  1. Go to the “Connection > SSH > Auth” section in PuTTY after launching it.
  2. Select your private key file by clicking the “Browse” button next to the “Private key file for authentication” field.
  3. Enter the hostname and port for the remote machine in the “Session” box once more.
  4. In order to save your connection profile, click the “Save” button.
  5. Simply choose your connection profile from the list of stored sessions and press the “Load” button to utilize it. Then select “Open” to establish a connection with the remote computer.

That’s it!

In this blog post, we discussed how to build a PuTTY connection profile to use your private key and how to set up passwordless SSH access using PuTTY and Pagent. We’ve covered how to create a private/public key pair, export your public key, add it to the authorized keys file on the remote system, and use your private key to access your remote workstation without being prompted for a password. This method can help you optimize your workflow and make it simpler to access your distant machines whether you’re a system administrator, developer, or just someone who utilizes SSH frequently.

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